
Slow wifi can be frustrating, especially when you're trying to get work done or stream your favorite show.
One of the main reasons for slow wifi is interference from other devices in your home, such as cordless phones and microwaves.
This interference can cause your wifi signal to weaken and slow down.
A simple way to fix this is to switch to a different channel on your router, which can help minimize interference.
In some cases, outdated router firmware can also cause slow wifi.
Updating your router's firmware can help resolve this issue.
Additionally, a physical barrier between your router and device can slow down your wifi signal.
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Troubleshooting Steps
Try restarting your modem and router, as this is often the simplest and most effective solution to slow internet speeds. This process can clear the system memory, resolve local communication issues, and reestablish fresh connections.
Rebooting your modem can be particularly helpful, as it can clear the memory and reset the connection, giving you the best WiFi signal by allowing the modem to select the channel with the least interference. If you're needing to reboot your modem often, it's probably time to replace it.
A power cycle can also give your internet speeds a boost on your side of the modem. To do this, pull the plug on both your modem and router, wait 30 seconds, and then plug the modem back into the wall outlet. Once it properly boots, do the same with the router.
As a general rule, restarting your modem and router should always be your first step in troubleshooting slow internet speeds. This is quick, easy, and often effective, and can be done by unpluging the power cable from the back of the modem, router, or gateway, waiting 60 seconds, and then plugging it back in.
Unplugging your router to clear cached data can also help to boost your wireless connection. This process can take up to 20 minutes, but it's worth it to get a faster internet connection on all your devices.
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Optimizing Your Setup
An average WiFi home network can have dozens of devices all simultaneously vying for bandwidth, making it essential to optimize your setup to avoid congestion-related slowdowns.
Newer routers and Mesh Systems can handle more devices simultaneously, leading to fewer congestion-related slowdowns. You can optimize your router by seeing #1 above.
To reduce interference from other electronics, use a 5 GHz frequency signal to get a stronger connection and avoid some congestion from surrounding devices, many of which use the 2.4 GHz band. 5 GHz will give you more signal strength and faster speed over a shorter range, compared to 2.4 GHz.
Protect your WiFi network with a good password, as a weak password can allow anyone close to your home to access your WiFi network and cause it to slow down.
Check device speed and wireless adapters, as some devices (including more recent WiFi devices) could use WiFi to send data more slowly than your network. You can research speed requirements online or by visiting the website of the device's maker.
Here are some common devices that can slow down your WiFi connection:
- Microwaves
- Cordless phones
- Bluetooth devices
- TVs
- Wireless security systems
- Baby monitors
- Garage door openers
Optimize Your Setup
Optimizing your WiFi setup can make a huge difference in your internet experience. Newer routers and Mesh Systems can handle more devices simultaneously, reducing congestion-related slowdowns.
To optimize your router, consider upgrading to a newer model or using a Mesh System. This can help distribute the load and ensure faster speeds.
Reducing interference from other electronics is key. Devices like microwaves, cordless phones, and Bluetooth devices can slow down your WiFi connection. Try to keep these devices away from your router or switch to a 5 GHz frequency signal, which offers stronger connections and less congestion.
A strong password is essential for protecting your WiFi network. Without a secure password, anyone close to your home can access your network and slow it down. Make sure to use a good password and consider other security measures to keep your network safe.
Consider using a WiFi extender if your service is weak in certain areas of your home. This can help increase your signal coverage and provide a faster connection.
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Here are some general tips for optimizing your setup:
- Stagger bandwidth-hogging activities, like big downloads, to avoid congestion
- Disconnect unused devices to free up resources for the devices you're actively using
- Schedule big downloads during off-peak hours when others won't be online
By implementing these strategies, you can optimize your setup and enjoy faster, more reliable internet speeds.
Stagger Bandwidth-Hogging Activities
Staggering bandwidth-hogging activities is a simple yet effective way to optimize your internet speed. It's like timing your meals to avoid overcrowding the kitchen, but instead, you're avoiding overcrowding your network.
If you have multiple family members or roommates, it's likely that everyone won't be online at the same time. So, plan your internet activities accordingly. Schedule big downloads, like computer and game updates, during off-peak hours when others won't be using the internet.
You can also stagger your own activities to avoid congestion. For example, if you know you'll be using a lot of bandwidth, schedule it at certain times of the day around other members of your household. If someone else is already using a lot of bandwidth and you need to, wait until later or ask them to pause what they're doing if it isn't urgent.
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Here are some specific times to avoid:
These are just general guidelines, and you should adjust them based on your household's unique schedule and needs. By staggering your bandwidth-hogging activities, you can ensure that everyone has a smooth and uninterrupted internet experience.
Use Plug-in Ethernet Instead of Ethernet
Using a plug-in Ethernet connection instead of Wi-Fi can make a huge difference in your internet speed. Ethernet cables can deliver speeds of many Gbps, which is much faster than Wi-Fi.
If you're a streamer or someone who uploads a lot of data, you'll want to prioritize a good upload speed. This is because upload speed is the speed at which you transmit data to other servers and computers, unlike download speed which is about receiving data.
Switching to an Ethernet connection can be especially beneficial for activities like video calls and gaming, where a stable and fast connection is crucial.
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Common Causes
Slow WiFi can be frustrating, but it's often caused by common issues that are easy to fix. One of the main causes is an old router that doesn't support the latest WiFi technology.
Older routers can be a major speed bump, especially if they're not compatible with the latest WiFi standards. Upgrading to a new router can make a big difference.
Interference from other electronic devices can also slow down your WiFi. Microwaves, cordless phones, and even TVs can all cause congestion on the 2.4 GHz band, which is the most commonly used frequency.
Using a 5 GHz frequency signal can help avoid some of this congestion and give you a stronger connection. This frequency gives more signal strength and faster speed, but it's only available over a shorter range.
Device overload is another common cause of slow WiFi. Older routers can struggle to manage multiple connected devices at once, leading to slower network performance and disruptions.
Here are some common causes of slow WiFi:
- Router age and technology
- ISP limitations
- Interference and obstacles
- Device overload
- Placement and coverage
- Software and hardware glitches
Try moving your router to an open and slightly elevated space to improve performance. Avoid placing it in a cupboard or closed-in corner of the room, as this can reduce its effectiveness.
Improving Speed
If you're experiencing slow wifi internet, there are several things you can try to improve your speeds. First, check your internet service provider (ISP) to see if you can upgrade to a faster plan. This could make a big difference, especially if your current plan is slow.
Closing unnecessary apps and programs can also help improve your download speeds. This is because these apps can be using up bandwidth in the background, slowing down your connection. Try closing any apps you're not using to see if it makes a difference.
Your router's age and capabilities can also impact your speeds. If your router is old, it may not be able to handle fast speeds. Consider upgrading your router or updating its firmware to see if it improves your speeds.
Another option is to add a second internet line, which can double your bandwidth and improve your speeds. However, this may not be an option in all areas, especially rural areas where speeds can be slower.
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Here are some other things you can try to improve your wifi speeds:
- Clear cookies and cache on your devices
- Disconnect other devices from your network
- Download one file at a time
- Restart your router and computer
- Scan for viruses and malware
- Update your drivers and firmware
Remember, the key to improving your wifi speeds is to identify and address any issues with your connection. By trying out these tips and troubleshooting your connection, you should be able to get your speeds back up to where they should be.
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Home Network Issues
Your home network is congested, which can cause slow speeds. This is like a road to your house where multiple cars (or internet data) are trying to get there at the same time, causing a traffic jam.
Multiple devices on the same network can result in overlapping Wi-Fi signals, leading to drops in network performance. You can fix this by reducing internet usage or using a tool like Heatmapper to map the signal strength in your home.
Moving your router or computer around to find the best signal strength can be time-consuming. A tool like Heatmapper can help you figure out where the signal is strongest, but you'll need to register for a trial and provide a floor map of your home.
Distance from the router and internal walls contributes to Wi-Fi dead zones within buildings. Placing your router in a strategic location can help optimize internet speed for all connected devices.
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Security and Protection
This can lead to frustration and slow internet speeds, making it harder to stream your favorite shows or get work done online.
To maximize performance, change your password regularly and make sure it's strong and unique.
Protect Network Password
Protecting your network password is a crucial step in keeping your internet connection secure. A strong password is essential to prevent unauthorized access to your network.
If your WiFi network is unprotected, anyone close to your home could access your WiFi network and slow it down by "piggybacking." This is a serious issue that can compromise your online security.
To change your router Wi-Fi password, you'll need to log in to your router's admin interface. This can usually be done by entering your router's IP address in the browser's address bar.
You'll then need to log in with your router's admin username and password. If you're not sure what these are, check your router's documentation or contact your ISP for assistance.
A strong password should be at least 12 characters long and include a mix of uppercase and lowercase letters, numbers, and special characters. WPA2 or WPA3 security is also essential to encrypt your Wi-Fi.
Here are the steps to change your router Wi-Fi password:
- Enter your router's IP address in the browser's address bar.
- Log in with your router's admin username and password.
- Find the option to change your Wi-Fi password and create a strong password.
By following these steps, you can protect your network password and keep your internet connection secure.
Change DNS on Mac
Changing your DNS server on a Mac is a simple process that can help you stay secure online.
To start, go to the Apple menu and select System Settings.
Click on Network to access your internet settings.
Click on your active connection, then Details to view more options.
Now, click on DNS to access the DNS settings.
Click the + (plus) button to add new DNS server addresses.
For Google DNS, enter 8.8.8.8 and 8.8.4.4 as the new DNS server addresses.
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Avast for Better Cleanup
Avast Cleanup can help improve your connection speed by managing your computer's temporary files, drivers, and more.

All sorts of apps and programs are sitting on your computer, vying for memory or bandwidth, which can slow down your internet connection.
Regular use of Avast Cleanup will help make problems less likely, helping to boost your internet speed as well as the overall performance of your device.
Avast Cleanup can remove bandwidth-hungry bloatware from your Mac, which can slow down your internet connection.
By using Avast Cleanup, you can take care of many of the offending elements that might be causing your slow internet connection, all in one go.
Understanding Your Plan
Your internet plan's maximum speed is usually advertised as "up to" a certain number of megabits per second (Mbps). This refers to your connection's total bandwidth, not the actual time data takes to make a round trip to a website and back.
You can find your plan's advertised maximum speed on your paper bill or by logging into your online account. It's essential to know this number to compare it with your actual speed.
Internet providers are mostly in the clear legally if your internet doesn't perform up to the highest advertised bandwidth. This means they can advertise higher speeds than you might actually experience.
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Know Your Plan

Knowing your plan is key to understanding your internet speeds. You need to know how much speed you pay for each month and compare that number against the speed you're actually getting now.
Look on your paper bill or log in to your online account to see your plan's advertised maximum speed. Internet speeds are measured in megabits per second (Mbps), which refers to your connection's total bandwidth.
Your internet plan's maximum speed is usually advertised as "up to" a certain number of megabits per second, but it's not guaranteed. This means you may pay for 400 Mbps per month, but you may not see that maximum due to hardware issues.
The more devices you have active at the same time, the more you may see slower speeds. Different online activities use up your available bandwidth, and a 5 Mbps connection might be sufficient for a single person living alone, but a large home with several users would likely require at least 20 Mbps.
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You might not be able to have multiple family members videoconferencing, streaming TV, and playing online games at the same time, depending on your plan speed. If you're experiencing slow speeds, check your plan to see if any of those activities need significant upload as well as download speeds.
Content providers and apps send out huge volumes of high-bandwidth video content worldwide, which can cause video buffering if they're getting more demand than their bandwidth can handle. This can mean your video lags or sticks while loading.
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Fastest Type?
Fiber internet is the fastest type of internet connection you can get, with many residential plans offering speeds up to 5,000 Mbps.
Some fiber plans even offer 10,000 Mbps of bandwidth, which is incredibly fast.
Fiber internet also offers symmetrical speeds, meaning your upload speeds are just as fast as your download speeds, which is a big plus for activities like zoom calls and uploading large files.
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Hardware and Connectivity
Hardware and connectivity issues can significantly impact your Wi-Fi internet speed. A loose or damaged Ethernet cable can degrade your internet signal, so it's essential to check that all cables are securely plugged in and free from damage.
If you're experiencing weak Wi-Fi signals, check your router's placement. A central and elevated location is ideal, away from walls and other devices that can interfere with the signal. Sometimes, simply moving the router a few feet can make a big difference.
You can also use a Wi-Fi extender or repeater device to bring your router's signal closer to you, especially if you can't move closer to the router or can't move the router itself. A Wi-Fi extender connects to your router's Wi-Fi signal and repeats it to extend the range of your wireless network.
To update your network drivers, follow these steps:
- Type Device Manager in the search box and launch it.
- Expand Network adapters.
- Right-click the driver you need to update, then click Update Driver.
- If Windows can't find a driver update, head to the manufacturer's website and search for the latest driver releases, and follow the instructions to install it.
You can also use Avast Driver Updater to update your network driver and all your drivers automatically.
Firmware
Firmware can be a hidden culprit behind internet connection issues. Your router's firmware may need to be updated to fix speed problems.
CenturyLink modems, on the other hand, update their firmware automatically through the network, so you don't need to do anything unless you're experiencing connection issues.
To update your router's firmware, access its web interface from your browser and look for a button or link with something similar to Search for Updates.
This process is key to making sure your equipment keeps running as efficiently as possible.
Get a Extender
Get a Wi-Fi extender if your router can't maintain a strong signal throughout your home. This will help eliminate Wi-Fi dead zones and weak spots.
Wi-Fi extenders connect to your router's signal and repeat it to extend your wireless network's range. They're a great solution if you can't move closer to your router or can't move the router itself.
To check if signal interference and weak Wi-Fi signals are your issue, look at your device's Wi-Fi meter. If you have fewer than three bars of signal strength, it's likely a problem.
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You want to place your router in a central and elevated location, away from things that can affect your Wi-Fi signals like walls and Bluetooth speakers. Sometimes, even moving your router a few feet can make a big difference.
If moving your router doesn't work, you might need to replace it with one designed for longer ranges or better coverage. Alternatively, you can add a Wi-Fi extender to stretch your signals into a previously unreachable area.
Loose or Damaged Cables
Loose or damaged networking cables can degrade your internet signal or cut it off altogether. This is because loose or damaged cables can introduce signal interference or degrade the signal.
Your Ethernet cables should be fully inserted in the sockets on the modem, router, and any devices connected directly to your router, making an audible click when plugged in. If it doesn't click, the plastic spring clip is worn and the cable should be replaced.
Check for any kinks, tears, chew marks, or other signs of wear and tear on your Ethernet cables. If you see damage, replace the cable, as it can't be fixed.
The coaxial cable that delivers internet signal to your modem or gateway should be screwed on hand-tight to the back of the modem or gateway.
Update Needed
Updating your router's firmware can be a game-changer for slow internet speeds. Check your router's web interface to see if there are any updates available, and follow the steps to download and install them.
Your modem's firmware might also need an update, although CenturyLink modems typically update automatically. Still, it's worth checking the modem settings to ensure everything is up to date.
Outdated devices can also cause speed issues. Make sure your computer, tablet, phone, or gaming console is running the latest operating system and networking updates. If you're using an older device, it might be limiting your speeds.
Too many open applications, browser tabs, and outdated software can slow down your devices. Keep your device's operating system up to date by allowing auto-updates, and keep your antivirus definitions current. Closing unused applications and browser windows can also help avoid overwhelming your CPU.
Updating your network driver can also improve internet performance. You can update your drivers manually by expanding Network adapters in the Device Manager and right-clicking the driver you need to update, then clicking Update Driver. Alternatively, you can use Avast Driver Updater to automatically update all your drivers.
Some devices may be updating in the background, which can slow down your performance. Make sure to check if your devices are updating in the background and close any unnecessary applications.
Here are some common reasons why devices may be outdated:
- Too many open applications
- Too many open browser tabs
- Outdated software
- Outdated drivers
- The operating system needs to reboot to install updates
- Patch downloads
- App downloads
- Malware
If you're experiencing slow speeds and your test results are close to your plan speed, you may need to upgrade your service or add a second line.
Device and App Issues
Older devices can slow down your performance, even on a fast internet connection. This is because outdated devices can't handle the demands of modern internet speeds.
Your devices' software and apps also play a significant role in determining your internet speed. Make sure they're up to date, virus-free, and not overloaded to get the best performance.
Background updates on your devices can also cause issues. It's a good idea to check if your devices are updating in the background and adjust your settings accordingly.
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Restart Your Device
Restarting your device can be a simple yet effective way to boost your internet speed. Unplug your router for at least 30 seconds to clear cached data and flush out any bugs in the router's firmware.
This technique is like hitting the reset button, and it can make a big difference in your online experience. I've seen it work wonders for friends who were experiencing slow internet speeds.
To restart your router, unplug it for at least 30 seconds. This will give it a fresh start and help resolve any caching issues or bugs that might be slowing you down.
If you're still experiencing slow internet speeds after restarting your router, it's worth checking if any programs are hogging your bandwidth. Closing unnecessary programs can help free up resources and speed up your connection.
Here are some steps to help you identify and close bandwidth-heavy programs:
- Right-click the taskbar and select Task Manager.
- Click Network under the Processes tab to see the most bandwidth-hungry processes.
By following these simple steps, you can identify and close programs that are draining your bandwidth and speed up your internet connection.
Update Drivers
Updating your drivers can be a game-changer for your internet speed. Outdated drivers can conflict with each other or leak RAM, causing issues that can slow down your network speed.
You can update your drivers manually by launching the Device Manager, expanding Network adapters, right-clicking the driver you need to update, and clicking Update Driver. If Windows can't find a driver update, head to the manufacturer's website and search for the latest driver releases.
Updating your drivers can clear up problems that affect performance. Outdated drivers can cause issues that can slow down your network speed, so it's essential to keep them up to date.
You can also use Avast Driver Updater to update your network driver and all your drivers automatically. This can be especially helpful if you're not tech-savvy or don't have the time to manually update your drivers.
Here's a list of common issues that can be caused by outdated drivers:
- Too many open applications
- Too many open browser tabs
- Outdated software
- Outdated drivers
By keeping your drivers up to date, you can avoid these issues and enjoy faster internet speeds.
Change Windows DNS to Google Public
Changing your Windows DNS to Google's public option is a simple process that can improve your internet browsing experience. You can do this by following these steps.
First, you need to access your network settings. On Windows 11, go to Settings > Network & Internet > Advanced network settings, then click More network adapter options under Related settings. On Windows 10, type ethernet or Wi-Fi into the search bar and press Enter, then click Change Adapter Options.
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Next, right-click the connection you're using and select Properties. This will open a new window where you can configure your network settings.
Now, click Internet Protocol Version 4 so that it's highlighted, then click Properties. This will open another window where you can configure your DNS settings.
Finally, select Use the following DNS server addresses and type 8.8.8.8 and 8.8.4.4 in the first and second boxes, respectively. This will set Google's public DNS server as your new DNS provider.
That's it! Changing your DNS to Google's public option is a straightforward process that can help improve your internet browsing experience.
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ISP and Service Issues
If your internet is dropping or speeds are slower than expected, the issue might not be with your device or setup. There may be a problem with the network connection at your address.
You can run a Troubleshooter to diagnose issues with your line, which can help identify the problem and even schedule a technician to fix it. Alternatively, you can contact a support agent for additional help or to request repair.
If you're experiencing lag times and low bandwidth despite testing close to your plan speed, you might need faster service. You can upgrade your service to a faster internet plan, check if it's available at your address, and log in to My Brightspeed online or through the app to see your options.
Adding a second line to your home can also double your speed, making it a great solution when a higher speed service isn't available in your area. This can be used exclusively for gaming, streaming, remote work, or whatever you need.
If you live in a rural area, you might want to look into rural internet options, such as using wireless internet through an antenna to improve performance.
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